Security Manager

SITE SECURITY MANAGER

Location: Onsite 5 days per week in Addlestone, Surrey (KT15 3NB)

Hours: 40 hrs per week

Contract Type: Permanent

Join a leading facilities management provider supporting a high-profile UK Government client within a Critical National Infrastructure (CNI) environment.

This is a rare opportunity to lead security operations across a large, complex site, where professionalism, operational precision, and high standards are essential.

The Role

As Site Security Manager, you will lead and coordinate a dedicated on-site security team, overseeing operations across 150 buildings on a 160-acre campus.

You’ll play a key role in managing risks, driving performance, and fostering a strong security culture. This role is ideal for a confident, experienced security leader seeking challenge, visibility, and career growth.

Key Responsibilities

• Manage access control and CCTV systems across the full estate
• Oversee iTime and RSA systems, ensuring schedule accuracy and audit compliance
• Assist with rota management, pay queries, and day-to-day team coordination
• Lead on incident response and manage risks or threats as they arise
• Deliver training sessions, including Toolbox Talks, and promote staff development
• Maintain and enhance Standard Operating Procedures (SOPs)
• Champion a strong, site-wide security culture and ensure consistent best practices

About You

• Proven Security Manager experience
• In-depth understanding of security systems including CCTV, access control, and alarms
• Skilled in people management - leadership, coaching and incident handling
• Confident with online rostering, scheduling, and staff resource planning
• Excellent written skills for preparing reports and creating/updating SOPs
• Current SIA frontline licence holder
• Proficient with Microsoft Office and experienced with sensitive/confidential data
• Able to achieve SC Clearance: SC Clearance - Eligibility Criteria

Why Join ISS?

At ISS, we connect people and places to make the world work better. You’ll join a team passionate about safety, service, and impact — where your role makes a visible difference every day. We offer:

• A dynamic and high-profile working environment
• Strong support and progression pathways
• A culture committed to inclusion, development, and wellbeing
• The opportunity to work on a critical national site with long-term significance

Inclusion & Diversity

ISS is an equal opportunities employer and proudly committed to the Disability Confident Scheme (Level 2). We value every individual and foster an environment where everyone is empowered to grow, regardless of background.

Apply now to shape the future of security management in a vital national context.

For any queries, please contact the Resourcing Team at [email protected]